狂夏合宿48時間耐久ハメ！～美人マネ、エースに顧問が全裸マラソン、駅弁特訓、大乱交！若い性欲の餌食に！～

あらすじ

Whilst training her elite team of track and field male runners, a dedicated female advisor, her cool ace staffer and the female manager give their bodies over for a nonstop 48-hour XXX trainathon at a summer lodge to kick off the hot, hot season. What are the girls going to do all drenched in cum!?

Three girls, one inn, in a variety of erotic events from lurid crotch-spread squats to relay f*cking to ekiben creampies, erotic dance contests, nude marathon, gangbang training... high energy activity that only athletes of the highest caliber can endure. It's an all-you-can-eat buffet of f*ck!